Barely a year in office and he already excels at taking orders from his big donors. The astroturf group called Americans for Prosperity, aka the political tool of the right-wing Koch brothers, ranks Marco Rubio with four other US senators at 100 percent and A+ for voting as commanded all the time. This link will take you to the Think Progress report on the AFP congressional scorecard.

Curious how Rubio stands out from his three Miami-Dade fellow Republicans in Florida’s US House delegation. The ethically challenged David Rivera (FL-25) gets along with a B grade from the Kochs, and the middling C is given to Ileana Ros-Lehtinen (FL-18) and Mario Diaz-Balart (FL-21). The entire scorecard is available here.